| CHOLELITH | • cholelith n. Synonym of gallstone. • CHOLELITH n. a gallstone. |
| HALOPHYTE | • halophyte n. (Botany) Any plant that tolerates an environment having a high salt content. • HALOPHYTE n. a plant found growing in salt marshes, or in the sea. |
| HALOTHANE | • halothane n. (Pharmacology) The halogenated hydrocarbon 2-bromo-2-chloro-1,1,1-trifluoroethane that is used as an… • HALOTHANE n. an inhalation anaesthetic. |
| HEADCLOTH | • headcloth n. Any form of headwear consisting of a piece of material either tied or held in place with a band. • HEADCLOTH n. a kerchief worn instead of a hat. |
| HEATHFOWL | • HEATHFOWL n. a red, or black, grouse. |
| HELLBROTH | • hellbroth n. A brew used in black magic. • HELLBROTH n. a composition for infernal purposes; a magical preparation. |
| HELOPHYTE | • helophyte n. (Botany) Any plant (typically found in marshy ground) whose buds overwinter under water. • HELOPHYTE n. any perennial marsh plant that bears its overwintering buds in the mud below the surface. |
| HEXATHLON | • hexathlon n. (Athletics) An athletic contest comprising six events. • HEXATHLON n. an athletic contest comprising six events. |
| HOLOPHOTE | • holophote n. A lighthouse lamp with lenses or reflectors to collect the rays of light and throw them in a given direction. • HOLOPHOTE n. an apparatus by which all the light from a lighthouse is thrown in the required direction. |
| HOLOPHYTE | • holophyte n. (Biology) Any organism that produces its own food through photosynthesis. • HOLOPHYTE n. a plant maintained entirely by its own organs. |
| HYLOPHYTE | • HYLOPHYTE n. a woodland plant. |
| SHITHOLES | • shitholes n. Plural of shithole. • SHITHOLE n. (vulgar) a filthy place. |
| SHOTHOLES | • shotholes n. Plural of shothole. • SHOTHOLE n. a hole drilled in a rock to hold explosives. |
| THRESHOLD | • threshold n. The bottom-most part of a doorway that one crosses to enter; a sill. • threshold n. (By extension) An entrance; the door or gate of a house. • threshold n. (By extension) Any end or boundary. |
| THUMBHOLE | • thumbhole n. A hole designed to receive a thumb. • THUMBHOLE n. a hole to insert the thumb in. |
| TOUCHHOLE | • touchhole n. Alternative spelling of touch hole. • touch-hole n. Alternative spelling of touch hole. • touch␣hole n. A small hole through which the propellant charge of a cannon or muzzleloading gun is ignited. |